. the biggest storm in generations shut businesses up and down the east coast. sandy knocked out power and halted travel and flooded entire neighborhoods. at least 40 people were killed in the united states. >>> sandy transitioned from a hurricane to a post-tropical cyclone by the time it hit shore. most people had never seen anything like it. the center of the storm, now over southern ontario moving east. it's left a trail of destruction. a power station in manhattan exploded on monday during the height of the storm cutting electricity to much of the borough. reuters reports at least 8 million peoples and businesses across several states are still without electricity. new yorkers can get around more easily now that buses are running again. but city officials say it will take at least a week to restore rail, water and other services. sandy has been losing strength since monday. its maximum momentary wind speed is around 65 kilometers per hour. the storm has pulled a mass of cold air from the north. snow is falling across eight states. some areas got more than 60 centimeters. and sandy'